Re: Aw: Instrument-control Question

[Thomas D. Dean]

On 08/28/2017 08:46 AM, Stefan Mahr wrote:
> > octave:106>  n=srl_write(s1, "ID?"); disp(n); [data,count]=srl_read(s1,128)
> >    3
> > data = [](1x0)
> > count = 0
> >
> >
> > In gtkterm, this works.  The data is returned immediately.
> >
> >
> > id?
> > ID TEK/TDS 2014,CF:91.1CT,FV:v4.12 TDS2CM:CMV:v1.04
>
>
> You don't need to press <enter> in gtkterm to get the response? Most serial 
> controlled instruments require newline to accept command:
> srl_write(s1, "ID?\n")

Actually, what works best is "cmd\r\n"  The TEK TDS-2014 is set to 
RS-232 EOL, not CR-EOL.  Strange

Tom Dean